# SDL_AudioSpec Format specifier for audio data. ## Header File Defined in [<SDL3/SDL_audio.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_audio.h) ## Syntax ```c typedef struct SDL_AudioSpec { SDL_AudioFormat format; /**< Audio data format */ int channels; /**< Number of channels: 1 mono, 2 stereo, etc */ int freq; /**< sample rate: sample frames per second */ } SDL_AudioSpec; ``` ## Version This struct is available since SDL 3.2.0. ## See Also - [SDL_AudioFormat](SDL_AudioFormat) ---- [CategoryAPI](CategoryAPI), [CategoryAPIStruct](CategoryAPIStruct), [CategoryAudio](CategoryAudio)